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moves_swap.c
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moves_swap.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* moves_swap.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: issierra <issierra@student.42madrid.com +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2023/12/24 08:40:46 by issierra #+# #+# */
/* Updated: 2023/12/24 08:56:07 by issierra ### ########.fr */
/* */
/* ************************************************************************** */
#include "push_swap.h"
void ss(t_stack **a, t_stack**b)
{
swap(a);
swap(b);
ft_printf("ss\n");
}
void sa(t_stack **ptr)
{
swap(ptr);
ft_printf("sa\n");
}
void sb(t_stack **ptr)
{
swap(ptr);
ft_printf("sb\n");
}
void swap(t_stack **ptr)
{
t_stack *third;
t_stack *second;
t_stack *first;
first = *ptr;
second = (*ptr)->next;
third = NULL;
if ((*ptr)->next->next)
third = (*ptr)->next->next;
*ptr = second;
(*ptr)->next = first;
(*ptr)->next->next = third;
}